.jimu-main-background{
  background-color: #292929;
}
.jimu-on-screen-widget-panel>.jimu-panel-title{
  color: white;
  background-color: #292929;
}
.esriPopup .titlePane {
  background-color: #292929;
}

.jimu-widget-sidebar-controller .other-group-title{
  color: #ffffff;
}
.jimu-widget-sidebar-controller .other-group-pane-title .text{
  color: #ffffff;
}